• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

6SN7 pin 4 signal input

celestar32

Member
2013-12-29 5:59 am
Can you post the schematic? You can use either section if the plate, grid, and cathode
of the chosen section are all properly connected (and the filament also).
This is the circuit by JE Labs.
 

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